Has anyone found any clear instructions on how to go from OES2 (on SLES 10 SP1) to OES2SP1 now that it's out.

I'm a little confused on the process, and not sure if I need to go to SLES 10 SP2 at the same time? The instructions I found talked more about OES1 to OES2SP1 rather than OES2 to OES2SP1.